package com.chen.facemanager.ht;

import org.junit.Test;

/**
 * @ClassName T1
 * @Description
 * @Author Mr-CHEN
 * @Date 2019/8/30 0030 17:43
 * @Version V1.0
 **/

public class T1 {
    @Test
    public void test1(){
        String a = "b,陈永鹏,622726199304282052,null,20";
        System.out.println(a.substring(0,1));
        if (a.substring(1).equals("b")){
            System.out.println("t");
        }
    }
}